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Therma-Tru Windows & Doors: The Fort Lauderdale Owner’s Guide
Therma-Tru window and door replacement parts in Fort Lauderdale typically run $150 – $850 installed for common items like weatherstripping, hinge kits, sweep gaskets, and multipoint lock components. We carry many Therma-Tru-compatible parts on our trucks and can source OEM pieces within a few business days when we don’t have them on hand. The way most Fort Lauderdale owners discover a failing part is the same every time: a door that suddenly drags, a lock that won’t throw all the way, or a window that whistles during an afternoon thunderstorm.
Which Therma-Tru Models This Applies To
Therma-Tru builds a lot of lines, and the parts don’t always swap between them. The Smooth-Star and Pulse series are fiberglass doors that use one hardware family, while the Classic-Craft and Fiber-Classic lines take different hinge plates and threshold profiles. Tru-Defense door systems, which are common in Fort Lauderdale because of the impact-rated demands down here, have their own sill and weatherstrip designs. The quickest way to identify what you have is to check the hinge side of the door slab for a small white or silver sticker. It’ll show the series name and sometimes the manufacturing date. No sticker? Measure the door slab thickness. Most Therma-Tru exterior doors in South Florida are 1 3/4 inches thick, but some older installations are 1 5/8 inches, which changes the sweep and weatherstrip fit.
On the window side, Therma-Tru doesn’t make a huge lineup of windows, but the ones we see in Fort Lauderdale are usually paired with doors as sidelites or transoms, or they’re from the trim and frame system. Those parts are measured by glass unit size, not by door series, so we ask owners to photograph the corner spacer inside the insulated glass. The spacer has a manufacturing code that gets us to the right replacement glass pack faster than anything else.
Mason Remodeling Co Fort Lauderdale is an independent service provider and not affiliated with Therma-Tru. That said, we’ve been installing and repairing their products since 2004, and we know which aftermarket parts hold up in coastal humidity and which ones don’t.
Styles & brands we work with
Signs Your Therma-Tru Windows & Doors Is Failing
- Condensation or haze between glass panes. The seal on the insulated glass unit has failed. South Florida humidity finds the breach fast, and once moisture gets inside the glass pack, the only real fix is replacing the unit or the sash. You can’t dry it out.
- Door won’t latch without lifting the handle or shoving the slab. Nearly always a sagging hinge or a worn hinge bushing. Therma-Tru doors are heavy, and Fort Lauderdale’s salt air accelerates wear on the pivot points. Left alone, the multipoint lock starts taking damage.
- Water pooling on the interior floor after rain. The sweep or the threshold cap has worn down. In Fort Lauderdale, we get wind-driven rain that hits doors sideways. A quarter-inch gap at the bottom will put water in your foyer every storm season.
- Fiberglass skin peeling, blistering, or showing hairline cracks. Sun exposure is relentless here. Therma-Tru’s fiberglass skins are tough, but once the finish fails and the skin starts delaminating, moisture creeps into the core, and the door loses structural stiffness.
- Sticking or dragging along the frame during humid months. This one catches owners off guard. Florida humidity makes the door slab swell slightly, but if the hinge screws are backing out of the jamb, the drag is mechanical, not weather. Tightening the top hinge often straightens it out for a while.
See the difference
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After
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AfterReplacement Cost & What’s Included
For Fort Lauderdale specifically, here’s what we see on Therma-Tru parts and labor:
- Weatherstrip and sweep replacement: $150 – $350 installed
- Hinge kit and bushing replacement: $200 – $450 installed
- Multipoint lock assembly (Trimark or similar): $300 – $650 installed
- Threshold cap and sill repair: $250 – $600 installed
- Insulated glass replacement for a door or sidelite: $400 – $850 installed
- Full door slab replacement (fiberglass, Therma-Tru compatible): $1,500 – $4,500 installed, depending on finish and glass options
Every line item is parts plus labor, and you get a written price before we start. We tell you what we found, what it takes to fix it, and what it will cost before we touch a thing. The work itself is covered by our 365-Day Done Right Promise: if the repair fails within a year, we come back and make it right at no charge. No change orders, no surprise invoices.
DIY or Call Us?
Some Therma-Tru parts are genuinely easy to swap. A sweeps and weatherstrip kit is a peel-and-stick or screw-in job that most competent homeowners can do in twenty minutes with a drill and a utility knife. Hinge bushings are a little trickier but still doable if you have someone to help hold the slab. Here’s the honest warning: multipoint locks and threshold adjustments are where DIY repairs go sideways. Those multipoint systems have three or five latch points that all have to line up at once, and if the door is even slightly out of plane, you’ll chase the adjustment for hours. Thresholds are worse. Cut it too short, and the door won’t seal. Too tall, and you ruin a slab. And if you’re dealing with a glass pack replacement, trying to order a sealed unit yourself often ends with a wrong measurement and a non-returnable piece of glass. No high-tension springs are involved here, but the lock calibration and glass handling are worth calling a pro for. If you’d rather not spend a Saturday fighting a door that still won’t close right, call (754) 354-3720 and we’ll get someone out.
FAQs
A well-maintained Therma-Tru fiberglass door in Fort Lauderdale lasts 25 to 30 years, but the wear parts like weatherstrip, sweeps, and hinge bushings typically need replacement every 5 to 8 years because of salt air and humidity. Door skins can last much longer if you keep the finish sealed, especially on east-facing exposures.
Sometimes, but not always. Hinge bushings and weatherstrip are repair-first items, but a failed insulated glass unit or a cracked fiberglass skin almost always means replacement because patching fiberglass on a door that moves daily won’t hold. Call (754) 354-3720 and we’ll give you the straight answer on your specific door before we quote anything.
Most weatherstrip, sweep, and hinge work is done in under two hours. Multipoint lock replacements run two to three hours. Special-order glass or a full door slab takes a few business days to arrive in Fort Lauderdale, and installation runs half a day once it’s here. We’ll tell you the timeline before you approve anything.
We keep common Therma-Tru-compatible parts on the truck: sweeps, weatherstrip, hinge bushings, threshold caps, and a few Trimark lock components. Specialty items by series, and glass packs custom-cut to your measurements, are ordered from our suppliers and typically arrive within two to five business days in the Fort Lauderdale area.
If you need parts matched to your Therma-Tru door or window, call Mason Remodeling Co Fort Lauderdale at (754) 354-3720. We’ll walk you through what you have, what failed, and what it costs, in plain language. We also stock parts for KraftMaid cabinetry, Cambria and Silestone surfaces, if you’re dealing with more than one project at a time.
Written by Isaac Pruett, Owner, Mason Remodeling Co Fort Lauderdale at Mason Remodeling Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.
